Re: Discussion on wait

[MacBeth]

On Thu, Jan 30, 2025 at 2:02 AM Robert Elz <kre@munnari.oz.au> wrote:

>     Date:        Thu, 30 Jan 2025 06:03:18 +0300
>     From:        =?UTF-8?B?T8SfdXo=?= <oguzismailuysal@gmail.com>
>     Message-ID:  <CAH7i3Lr0rF8zMPW7m=w5qwer=
> M3wdTJK0dfztGMfOgGt2dU9vg@mail.gmail.com>
>
> I'd suggest putting it in a function, something like
>
>         wait_for_error() {
>                 local S;
>
>                 while wait -n; S=$?; [ "$S" -eq 0 ]; do :; done
>                 return "$S";
>         }
>
>
Or perhaps this:

errwait() { while wait -n || return; do :; done; }

While wait returns 0 then short-circuit and loop, otherwise return the last
command's status, which was wait.